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Category Archives for "Networking"

Pre-Order the New Echo, Echo Plus, or Fire TV Here – Deal Alert

The 2nd generation Echo costs just $99, and has a 2.5” downward-firing woofer and 0.6” tweeter powered by Dolby to deliver crisp vocals and dynamic bass throughout the room. You can play music from Amazon Music, Spotify, Pandora, iHeartRadio, TuneIn, and more. With Amazon Music, you can search by lyrics, time-period, or let Alexa pick the music for you. You can also listen to audiobooks from Audible, podcasts, radio stations or news briefs. Make calls, set alarms and timers, ask questions, check your calendar, weather, traffic, and sports scores, manage to-do and shopping lists, control smart home devices, and more. Multiple Echo devices around your house work together -- ask Alexa to play your favorite music on all Echo's, or different styles in different rooms. The new Echo won't ship until October 31, but if you order now and select 2-day shipping, you'll have it on your doorstep the day it's released. See it on Amazon here.To read this article in full or to leave a comment, please click here

3 ways IoT can drive business value

You can’t escape the IoT momentum these days. The Internet of Things is being used for everything from saving the rhino from poaching to leveraging stray dogs to fight crime. (No, really, I’m not kidding… check the links!) But even as vendors spend billions to try and grab IoT market share, it’s not always clear exactly how their business customers are supposed to actually benefit from IoT. (The challenges can be equally hard to understand). According to a thoughtful new report from Forrester, the answer lies in three fundamental business scenarios:To read this article in full or to leave a comment, please click here

Forrester: 3 ways IoT can drive business value

You can’t escape the IoT momentum these days. The Internet of Things is being used for everything from saving the rhino from poaching to leveraging stray dogs to fight crime. (No, really, I’m not kidding… check the links!) But even as vendors spend billions to try and grab IoT market share, it’s not always clear exactly how their business customers are supposed to actually benefit from IoT. (The challenges can be equally hard to understand). According to a thoughtful new report from Forrester, the answer lies in three fundamental business scenarios:To read this article in full or to leave a comment, please click here

What is MP – Merge Point in MPLS Traffic Engineering ?

What is MP, Merge Point in MPLS Traffic Engineering ? Understanding Merge Point in MPLS Traffic Engineering will help you to understand the MPLS TE – Fast Reroute   MP (Merge Point) is the term is used in the context of Fast Reroute. I briefly mentioned from Merge Point in the MPLS Traffic Engineering Fast Reroute Link Protection post earlier and in this […]

The post What is MP – Merge Point in MPLS Traffic Engineering ? appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Introducing Cloudflare Warp: Hide Behind The Edge

Introducing Cloudflare Warp: Hide Behind The Edge

I work at a company whose job it is to be attacked. As I’m writing this, an automatic mitigation is fighting two ongoing DDoS attacks. Any machine that’s publicly routable on the internet today can be a vector for attack, and that’s a problem.

Today we want to turn the tables and give you a new way of exposing services to the internet without having them be directly, publicly routable. Meet Cloudflare Warp.

Introducing Cloudflare Warp: Hide Behind The EdgeCC BY-SA 2.0 image by Christian Ortiz

Playing Hide and Seek with Bots and Hackers

Cloudflare internally runs about 4,000 containers that make up about 1.5K services and applications. Some of these containers need to network with other local containers, and others need to accept connections over the wire.

Every devops engineer knows that bad things happen to good machines, and so our platform operations team tries to hide servers altogether from the internet. There are several ways to do this:

  • Rotate IP addresses
  • Deploy proxies
  • Create firewall rules
  • Configure IP tables
  • Limit connections by client certificate
  • Cross connect with an upstream provider
  • Configure a GRE tunnel
  • Authentication mechanisms like OAuth or OIDC

These can be complicated or time consuming, yet none of them are Continue reading

What is PI and PA ? Provider Independent and Provider Assigned ?

What is PI and PA ? Provider Independent and Provider Assigned ? In this post, I will explain the important considerations on PI (Provider Independent) and PA (Provider Assigned).     In this post, I will explain below points :   What is PI and PA ?  Why PI and PA addresses are used ? […]

The post What is PI and PA ? Provider Independent and Provider Assigned ? appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Down the Rabbit Hole: The Making of Cloudflare Warp

Down the Rabbit Hole: The Making of Cloudflare Warp

In the real world, tunnels are often carved out from the mass of something bigger - a hill, the ground, but also man-made structures.

Down the Rabbit Hole: The Making of Cloudflare WarpCC BY-SA 2.0 image by Matt Brown

In an abstract sense Cloudflare Warp is similar; its connection strategy punches a hole through firewalls and NAT, and provides easy and secure passage for HTTP traffic to your origin. But the technical reality is a bit more interesting than this strained metaphor invoked by the name of similar predecessor technologies like GRE tunnels.

Relics

Generic Routing Encapsulation or GRE is a well-supported standard, commonly used to join two networks together over the public Internet, and by some CDNs to shield an origin from DDoS attacks. It forms the basis of the legacy VPN protocol PPTP.

Establishing a GRE tunnel requires configuring both ends of the tunnel to accept the other end’s packets and deciding which IP ranges should be routed through the tunnel. With this in place, an IP packet destined for any address in the configured range will be encapsulated within a GRE packet. The GRE packet is delivered directly to the other end of the tunnel, which removes the encapsulation and forwards the original Continue reading

IDG Contributor Network: How the hybrid cloud has made the digital transformation possible

Competition in the 21st Century economy is fierce. Consumers are more tech-savvy than ever, as we all carry around more computing power in our pockets than Neil Armstrong took to the moon—and potential customers pay attention to differentiated experiences. Increasingly for all businesses, investing in agile software development is a way to achieve that differentiation.In other words, in the 21st Century, every business is a software business.All that software that’s enabling this transformation toward digital experiences has to run somewhere, and it turns out a hybrid cloud strategy gives businesses maximum choice when it comes to what runs where.To read this article in full or to leave a comment, please click here

What is happening to the World !! Shall we expect World War ?

Lots of stupid things I am hearing everyday anymore, which affect my business and affects so many people I think. Will World War III start or what ?   Couple months before I think at least it was , six countries announced that they closed their borders and airspace for Qatar, a country where I live. […]

The post What is happening to the World !! Shall we expect World War ? appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.

Nvidia gets broad support for cutting-edge Volta GPUs in the data center

Data center workloads for AI, graphics rendering, high-performance computing and business intelligence are getting a boost as a Who's Who of the world's biggest server makers and cloud providers snap up Nvidia's Volta-based Tesla V100 GPU accelerators.Nvidia is rallying its entire ecosystem, including software makers, around the new Tesla V100s, effectively consolidating its dominance in GPUs for data centers.IBM, HPE, Dell EMC and Supermicro announced at the Strata Data Conference in New York Wednesday that they are or will be using the GPUs, which are now shipping. Earlier this week at Nvidia's GPU Technology Conference in Beijing, Lenovo, Huawei and Inspur said they would be using Nvidia's HGX reference architecture to offer Volta architecture-based systems for hyperscale data centers.To read this article in full or to leave a comment, please click here

Nvidia gets broad support for cutting-edge Volta GPUs in the data center

Data center workloads for AI, graphics rendering, high-performance computing and business intelligence are getting a boost as a Who's Who of the world's biggest server makers and cloud providers snap up Nvidia's Volta-based Tesla V100 GPU accelerators.Nvidia is rallying its entire ecosystem, including software makers, around the new Tesla V100s, effectively consolidating its dominance in GPUs for data centers.IBM, HPE, Dell EMC and Supermicro announced at the Strata Data Conference in New York Wednesday that they are or will be using the GPUs, which are now shipping. Earlier this week at Nvidia's GPU Technology Conference in Beijing, Lenovo, Huawei and Inspur said they would be using Nvidia's HGX reference architecture to offer Volta architecture-based systems for hyperscale data centers.To read this article in full or to leave a comment, please click here

BrandPost: Four Ways To Bridge The Digital Talent Gap

Rapid technological development not only fuels business innovation, but also disrupts traditional business models. In order to keep pace with the latest technology trends, businesses must employ the right professionals who combine technology expertise with business acumen. Unfortunately, corporations often lack this kind of talent to help make the right technology decisions and avoid costly and potentially disastrous mistakes. According to the Global Knowledge 2017 IT Skills and Salary Report, there are significant skills shortages in key ICT sectors, such as, security and cloud computing. These findings highlight the difficulties that recruiters face in times where the demand for ICT talent far exceeds the supply. Scouting, recruiting and retaining talent in such a competitive environment is a challenge; however, the criticality of it calls for a contingency plan to build a pipeline of professionals that can boost the future of businesses and the economy in the digital age.To read this article in full or to leave a comment, please click here

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